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A detection device based on an underwater low-frequency electric field and an underwater detection and positioning method

A detection device and electric field technology, applied in the field of underwater detection, can solve the problems of low detection and positioning accuracy of underwater objects, and achieve the goals of improving mobility and adaptability, improving exploration ability and detection accuracy, strong mobility and flexibility Effect

Active Publication Date: 2021-03-12
XI AN JIAOTONG UNIV
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Problems solved by technology

[0003] The object of the present invention is to provide a detection device and an underwater detection and positioning method based on an underwater low-frequency electric field, so as to overcome the problem of low detection and positioning accuracy of underwater objects in the prior art

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  • A detection device based on an underwater low-frequency electric field and an underwater detection and positioning method
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  • A detection device based on an underwater low-frequency electric field and an underwater detection and positioning method

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Embodiment Construction

[0033] In order to make the purpose, advantages and technical solutions of the present invention more obvious, the technical solutions in the embodiments of the present invention will be described in more detail and complete below in conjunction with the drawings in the embodiments of the present invention. It should be noted that, for the convenience of description, only some schematic structural diagrams related to the present invention are shown in the drawings, rather than all the embodiments.

[0034] refer to Figure 1 to Figure 5 , a detection device based on an underwater low-frequency electric field, comprising a carrying device 1, a driving cabin 2 and a control cabin 3;

[0035] The bearing device 1 includes a bearing plate 4, the bearing plate 4 is provided with a transmission bevel gear 5, and a plurality of sliding grooves 6 are provided on the bearing plate 4, and the plurality of sliding grooves 6 are arranged in a circumferential array along the same circumfer...

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Abstract

The invention discloses a detection device based on an underwater low-frequency electric field and an underwater detection positioning method. The device comprises a bearing device, a driving cabin body and a control cabin body. A generating electrode and a plurality of receiving electrodes are arranged below a bearing device. A structure that a plurality of sliding grooves are formed in the samecircumference of the transmission bevel gear in a circumferential array manner is utilized. A transmission lead screw is arranged in the sliding groove. A driven bevel gear is fixed at one end of thetransmission lead screw. The driven bevel gear is meshed with the transmission bevel gear. The transmission lead screw is sleeved with a receiving electrode fixing sliding block. The distances from the receiving electrodes to the generating electrodes are equal. A one-to-many array electrode arrangement form is adopted. Real-time acquisition of electric field signals in all directions in a detection area is realized by means of a generating electrode and a plurality of receiving electrodes which are arranged at the central position. Compared with the arrangement form of a single sensor, the electric field signals acquired are more accurate, the acquisition efficiency of the signals is remarkably improved, and the position of the target object between the generation electrode and the plurality of receiving electrodes can be rapidly and accurately acquired.

Description

technical field [0001] The invention belongs to the technical field of underwater detection, and in particular relates to a detection device based on an underwater low-frequency electric field and an underwater detection and positioning method. Background technique [0002] The rapid detection and accurate identification of underwater target objects has become a research hotspot in the field of modern national defense and ocean engineering. According to different detection methods, there are currently two traditional underwater detection methods, namely: underwater acoustic detection and underwater optical detection. The basic principle of underwater acoustic detection is to transmit ultrasonic waves through acoustic equipment, and then by receiving the scattered echoes generated by the sound waves on the surface of the object, according to the size of the scattering intensity and with the help of physical phenomena such as the Doppler effect of the sound waves, the contour ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/08
CPCG01V3/08G01V3/088Y02A90/30
Inventor 胡桥孙帅帅苏文斌刘钰丁明杰尹盛林张阳坤田芮铭
Owner XI AN JIAOTONG UNIV
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